Mercedes-Benz AG has filed trademark applications in the EU for "MB.AQ" and "MB.EQ"
MB.EQ is likely another EQ related brand but I don't have any guesses for what MB.AQ could be. Maybe something for commercial vehicles?
MB.AQ
https://euipo.europa.eu/eSearch/#details/trademarks/018699708
MB.EQ
https://euipo.europa.eu/eSearch/#details/trademarks/018699703
MB.EQ is likely another EQ related brand but I don't have any guesses for what MB.AQ could be. Maybe something for commercial vehicles?
MB.AQ
https://euipo.europa.eu/eSearch/#details/trademarks/018699708
MB.EQ
https://euipo.europa.eu/eSearch/#details/trademarks/018699703